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Help CenterGQ-20 Engineering Drilling Machine
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GQ-20 engineering drilling machine is newly designed special for large diameter pile hole drilling, can use forward-circulation and reverse circulation drilling methods mainly used in drilling large diameter pile for building, skyscraper, dam, harbor, bridge etc. and drilling large diameter well.
Technical Specifications
|
hole dia (mm) |
Φ2000 mm |
|
|
drilling capacity (m) |
60 m |
|
|
Active drill pipe |
180×180×4434 mm |
|
|
top drive head speeds(r/min) |
forward |
9.5,10.5,28.4,44.1,65.9 |
|
reverse |
10.7 |
|
|
Hoist wire rope lifting speed ( m/s ) |
forward 0.78,1.36,2.34,3.63 |
|
|
top drive head |
max torque (N.m) |
55 kN·m |
|
top drive head inner hole (mm) |
182×182 mm |
|
|
top drive head max push force(KN)/ pull force |
113/154kN |
|
|
top drive head stroke(mm) |
1000 mm |
|
|
Hoist |
hoist lift capacity with singlerope(KN)) |
58 kN |
|
Single rope speed increase speed |
0.78 m/s |
|
|
Reel diameter |
300 mm |
|
|
Rope capacity |
30 m |
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|
Rope diameter |
Φ19.5 m |
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|
|
Rack mobile travel |
1550 mm |
|
Open orifice distance |
1038 mm |
|
|
The rig Dimensions (length × width × height) |
5000×2400×2840 mm |
|
|
5000×2400×3070 mm |
||
|
Rig the total weight |
12500kg |
|
|
Rig power |
Motor model: Y250M-4 |
55 kw;1480 r/min |
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